Akwai nau'ikan masu kama walƙiya da yawa, gami da masu kama oxide na ƙarfe, masu kama ƙarfe na baƙin ƙarfe, waɗanda ba su da madaidaiciyar layin oxide na ƙarfe, cikakken ruɓaɓɓen jaket na ƙarfe oxide, da masu kamawa masu cirewa. Babban nau'ikan masu kamawa sune masu kama tubular, masu kama da bawul da zin ...
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